1.
Akkaoui A, El FatiniM, Fadli B. A variant of d’Alembert’s functional equation on semigroups with endomorphisms. AMSil [Internet]. 22Mar.2022 [cited 21Nov.2024];36(1):1-4. Available from: https://journals.us.edu.pl/index.php/AMSIL/article/view/13456